Dust-bag support for portable suction cleaners



vJune 18, 1935.

H. HERTZ DUST BAG SUPPORT FOR PORTABLE SUCTION CLEANERS Filed Dec. 30, 1955 UNITED STATES PATENT OFFICE DUST-BAG SUPPORT FOR PORTABLE SUCTION CLEANERS Hjalmar Hertz, New York, N. Y., assignor to The Singer Manufacturing Company, Elizabeth, N. J., a corporation of New Jersey Application December-,30, 1933, Serial No. 704,712 4 claims.v (o1. 18s-51)V This invention relates to suction cleaners of tion which prevents such strains becoming dis` the portable type comprising a motor-driven suctortive or destructive to the rod and thus avoids tion-fan, suction-nozzle and dust-bag unit, adaptbreakage of the latter. It will be observed that ed to be held in the hand of the user for the conthe helix I I is mainly outside of the circular airl venient cleaning of wall hangings, draperies, uppassageway through and produced beyond the holstered furniture, and the like. connector into the bag I4, as shown in Fig. 4

An object of the invention is to provide a dustand hence 'does not impede the flow of air. bag support for a suction cleaner of the type in The long non-helical or straightaway portion question, which is so constructed as to be relieved of the rod I between the helix I I and stitches of excessive or destructive strains in the portion I8 is somewhat flexible or laterally springy but 10 thereof adjacent the dust-bag connector to which is not as springy or as heavy per unit of length the dust-bag and its supporting rod are customas is the helical portion II. I

arily attached. Having thus set forth the nature of the inf With the above and other objects in View, as will vention, what I claim herein is:-

hereinafter appear, the invention comprises the l. In a dust-bag for a portable suction cleaner, 15

devices, combinations and arrangements of parts a tubular dust-bag connector adapted for attachhereinafter set forth and illustrated in the acment to the dust-outlet of the cleaner, a dustcompanying drawing of a preferred embodiment bag attached to said connector, and a one-piece of the invention, from which the several features dust-bag-supporting rod attached at one end only of the invention and the advantages attained to said connector and having a relatively short 20 thereby will be readily understood by those skilled helical portion adjacent said connector and a in the art. relatively long straightaway portion beyond said` In the accompanying drawing, Fig. 1 is a side helical portion.

elevation, partly in section, of a suction cleaner 2. In a dust-bag for a portable suction cleaner,

dust-bag embodying the invention. Fig. 2 is a a tubular dust-bag connector adapted for attach-y 25 top plan View 0f thgdust-bag connector and sup- Inent to the dust-Outlet 0f the Cleaner, a, dustperting rod. Fig. 3 is a section on the line 3 3, bag having a neck attached t0 said connector,y Fig. 2, with the dust-bag attached to its connecand a dust-bag-SUPDOItihg rod attached at one tor. Fig. 4 is a section on the line If-4, Fig. 2 end only to said connector and having a relatively and Fig, 5 is a perspective View of the dust-bag short helical portion adjacent said connector and 30 clamping band, v a relatively long straightaway portion beyond said The tubular connector I is rusually made of helical portion, said helical portion being disposed sheet-metal and has at one end the usual baymainly outside the air-passageway thIOugh and cnet-joint slots 2, 2, and internal circular seat 3 DI'OdllCed beyond the Connector.

for the rubber sealing ring 4. The connector in- 3. In a dust-bag for a portable suction cleaner, 35

cludes an end-portion 5 of reduced diameter a tubular dust-bag connector'ada'pted for attachwhich is formed with a plurality of circumferenment to the dust-outlet of the cleaner, a dusttially extending slots 6 and 1, disposed side-bybag attached to said connectonand arene-piecey side and affording a plurality of clamping bands dust-bag-supportine rod attached at one end only 8, 9, the latter of which is depressed inwardly. to said connector and having a relatively shortV 40 The dust-bag-supporting rod IQ i5 preferably localized portion of increased flexibility closely formed from a piece of spring wire with an open adjacent its point of attachment to said conhelix I I adjacent the shank end I2 which is passed hector and a relatively long and less flexible porunder the band 8 and over the band 9 and is tion of reduced weight per unit length carried spot-welded at I3 to the inner surface of the conby the more flexible portion. 45

Hector, 4. In a dust-bag for a portable suction cleaner,

The bag I4 is of the usual construction having a tubular dust-bag connector adapted for attacha reduced neck I5 and inwardly folded tubular ment to the dust-outlet of the cleaner, a dustportion I6 which is tightly andsecurelyclamped bag attachedto said connector, and a one-piece to the reduced portion 5 of the connector I by dust-bagsupporting cantilever rod having a. rel- 50 the usual clamping band Il. The dust-bag may atively short and 'bent terminal portion of inbe stitched at I8 to the free end of the rod I0, creased flexibility attached to said connector and The present construction provides, in the pora relatively long and free straightaway portion tion of the rod ID subjected to the greatest operbeyond said bent portion.

ative strains, a. localized flexible or yielding sec- HJALMAR HERTZ, 55 

